131120233022500 has 120 divisors (see below), whose sum is σ = 289414812039584. Its totient is φ = 51959737440000.

The previous prime is 131120233022411. The next prime is 131120233022501. The reversal of 131120233022500 is 5220332021131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (131120233022501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127033495 + ... + 128061505.

Almost surely, 2^{131120233022500} is an apocalyptic number.

131120233022500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131120233022500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144707406019792).

131120233022500 is an abundant number, since it is smaller than the sum of its proper divisors (158294579017084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131120233022500 is a wasteful number, since it uses less digits than its factorization.

131120233022500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028511 (or 1028494 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 131120233022500 its reverse (5220332021131), we get a palindrome (136340565043631).

The spelling of 131120233022500 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred thirty-three million, twenty-two thousand, five hundred".